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tdemultimedia/juk/playlistbox.cpp

791 lines
22 KiB

/***************************************************************************
begin : Thu Sep 12 2002
copyright : (C) 2002 - 2004 by Scott Wheeler,
email : wheeler@kde.org
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include <kiconloader.h>
#include <kurldrag.h>
#include <kmessagebox.h>
#include <kpopupmenu.h>
#include <kaction.h>
#include <kdebug.h>
#include <tqheader.h>
#include <tqpainter.h>
#include <tqtimer.h>
#include "playlistbox.h"
#include "playlist.h"
#include "collectionlist.h"
#include "covermanager.h"
#include "dynamicplaylist.h"
#include "historyplaylist.h"
#include "upcomingplaylist.h"
#include "viewmode.h"
#include "searchplaylist.h"
#include "treeviewitemplaylist.h"
#include "actioncollection.h"
#include "cache.h"
#include "k3bexporter.h"
#include "tracksequencemanager.h"
#include "tagtransactionmanager.h"
using namespace ActionCollection;
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox public methods
////////////////////////////////////////////////////////////////////////////////
PlaylistBox::PlaylistBox(TQWidget *tqparent, TQWidgetStack *playlistStack,
const char *name) :
KListView(tqparent, name),
PlaylistCollection(playlistStack),
m_viewModeIndex(0),
m_hasSelection(false),
m_doingMultiSelect(false),
m_dropItem(0),
m_showTimer(0)
{
readConfig();
addColumn("Playlists", width());
header()->blockSignals(true);
header()->hide();
header()->blockSignals(false);
setSorting(0);
setFullWidth(true);
setItemMargin(3);
setAcceptDrops(true);
setSelectionModeExt(Extended);
m_contextMenu = new KPopupMenu(this);
K3bPlaylistExporter *exporter = new K3bPlaylistExporter(this);
m_k3bAction = exporter->action();
action("file_new")->plug(m_contextMenu);
action("renamePlaylist")->plug(m_contextMenu);
action("editSearch")->plug(m_contextMenu);
action("duplicatePlaylist")->plug(m_contextMenu);
action("reloadPlaylist")->plug(m_contextMenu);
action("deleteItemPlaylist")->plug(m_contextMenu);
action("file_save")->plug(m_contextMenu);
action("file_save_as")->plug(m_contextMenu);
if(m_k3bAction)
m_k3bAction->plug(m_contextMenu);
m_contextMenu->insertSeparator();
// add the view modes stuff
KSelectAction *viewModeAction =
new KSelectAction(i18n("View Modes"), "view_choose", KShortcut(), ActionCollection::actions(), "viewModeMenu");
m_viewModes.append(new ViewMode(this));
m_viewModes.append(new CompactViewMode(this));
m_viewModes.append(new TreeViewMode(this));
// m_viewModes.append(new CoverManagerMode(this));
TQStringList modeNames;
for(TQValueListIterator<ViewMode *> it = m_viewModes.begin(); it != m_viewModes.end(); ++it)
modeNames.append((*it)->name());
viewModeAction->setItems(modeNames);
TQPopupMenu *p = viewModeAction->popupMenu();
p->changeItem(0, SmallIconSet("view_detailed"), modeNames[0]);
p->changeItem(1, SmallIconSet("view_text"), modeNames[1]);
p->changeItem(2, SmallIconSet("view_tree"), modeNames[2]);
CollectionList::initialize(this);
Cache::loadPlaylists(this);
viewModeAction->setCurrentItem(m_viewModeIndex);
m_viewModes[m_viewModeIndex]->setShown(true);
TrackSequenceManager::instance()->setCurrentPlaylist(CollectionList::instance());
raise(CollectionList::instance());
viewModeAction->plug(m_contextMenu);
connect(viewModeAction, TQT_SIGNAL(activated(int)), this, TQT_SLOT(slotSetViewMode(int)));
connect(this, TQT_SIGNAL(selectionChanged()),
this, TQT_SLOT(slotPlaylistChanged()));
connect(this, TQT_SIGNAL(doubleClicked(TQListViewItem *)),
this, TQT_SLOT(slotDoubleClicked()));
connect(this, TQT_SIGNAL(contextMenuRequested(TQListViewItem *, const TQPoint &, int)),
this, TQT_SLOT(slotShowContextMenu(TQListViewItem *, const TQPoint &, int)));
TagTransactionManager *tagManager = TagTransactionManager::instance();
connect(tagManager, TQT_SIGNAL(signalAboutToModifyTags()), TQT_SLOT(slotFreezePlaylists()));
connect(tagManager, TQT_SIGNAL(signalDoneModifyingTags()), TQT_SLOT(slotUnfreezePlaylists()));
setupUpcomingPlaylist();
connect(CollectionList::instance(), TQT_SIGNAL(signalNewTag(const TQString &, unsigned)),
this, TQT_SLOT(slotAddItem(const TQString &, unsigned)));
connect(CollectionList::instance(), TQT_SIGNAL(signalRemovedTag(const TQString &, unsigned)),
this, TQT_SLOT(slotRemoveItem(const TQString &, unsigned)));
TQTimer::singleShot(0, object(), TQT_SLOT(slotScanFolders()));
enableDirWatch(true);
// Auto-save playlists after 10 minutes
TQTimer::singleShot(600000, this, TQT_SLOT(slotSavePlaylists()));
m_showTimer = new TQTimer(this);
connect(m_showTimer, TQT_SIGNAL(timeout()), TQT_SLOT(slotShowDropTarget()));
}
PlaylistBox::~PlaylistBox()
{
PlaylistList l;
CollectionList *collection = CollectionList::instance();
for(TQListViewItem *i = firstChild(); i; i = i->nextSibling()) {
Item *item = static_cast<Item *>(i);
if(item->playlist() && item->playlist() != collection)
l.append(item->playlist());
}
Cache::savePlaylists(l);
saveConfig();
}
void PlaylistBox::raise(Playlist *playlist)
{
if(!playlist)
return;
Item *i = m_playlistDict.tqfind(playlist);
if(i) {
clearSelection();
setSelected(i, true);
setSingleItem(i);
ensureItemVisible(currentItem());
}
else
PlaylistCollection::raise(playlist);
slotPlaylistChanged();
}
void PlaylistBox::duplicate()
{
Item *item = static_cast<Item *>(currentItem());
if(!item || !item->playlist())
return;
TQString name = playlistNameDialog(i18n("Duplicate"), item->text(0));
if(name.isNull())
return;
Playlist *p = new Playlist(this, name);
p->createItems(item->playlist()->items());
}
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox public slots
////////////////////////////////////////////////////////////////////////////////
void PlaylistBox::paste()
{
Item *i = static_cast<Item *>(currentItem());
decode(kapp->tqclipboard()->data(), i);
}
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox protected methods
////////////////////////////////////////////////////////////////////////////////
void PlaylistBox::slotFreezePlaylists()
{
setDynamicListsFrozen(true);
}
void PlaylistBox::slotUnfreezePlaylists()
{
setDynamicListsFrozen(false);
}
void PlaylistBox::setupPlaylist(Playlist *playlist, const TQString &iconName)
{
setupPlaylist(playlist, iconName, 0);
}
void PlaylistBox::setupPlaylist(Playlist *playlist, const TQString &iconName, Item *tqparentItem)
{
connect(playlist, TQT_SIGNAL(signalPlaylistItemsDropped(Playlist *)),
TQT_SLOT(slotPlaylistItemsDropped(Playlist *)));
PlaylistCollection::setupPlaylist(playlist, iconName);
if(tqparentItem)
new Item(tqparentItem, iconName, playlist->name(), playlist);
else
new Item(this, iconName, playlist->name(), playlist);
}
void PlaylistBox::removePlaylist(Playlist *playlist)
{
removeNameFromDict(m_playlistDict[playlist]->text(0));
removeFileFromDict(playlist->fileName());
m_playlistDict.remove(playlist);
}
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox private methods
////////////////////////////////////////////////////////////////////////////////
void PlaylistBox::readConfig()
{
KConfigGroup config(KGlobal::config(), "PlaylistBox");
m_viewModeIndex = config.readNumEntry("ViewMode", 0);
}
void PlaylistBox::saveConfig()
{
KConfigGroup config(KGlobal::config(), "PlaylistBox");
config.writeEntry("ViewMode", action<KSelectAction>("viewModeMenu")->currentItem());
KGlobal::config()->sync();
}
void PlaylistBox::remove()
{
ItemList items = selectedItems();
if(items.isEmpty())
return;
TQStringList files;
TQStringList names;
for(ItemList::ConstIterator it = items.begin(); it != items.end(); ++it) {
if(*it && (*it)->playlist() &&
!(*it)->playlist()->fileName().isEmpty() &&
TQFileInfo((*it)->playlist()->fileName()).exists())
{
files.append((*it)->playlist()->fileName());
}
names.append((*it)->playlist()->name());
}
if(!files.isEmpty()) {
int remove = KMessageBox::warningYesNoCancelList(
this, i18n("Do you want to delete these files from the disk as well?"), files, TQString(), KStdGuiItem::del(), i18n("Keep"));
if(remove == KMessageBox::Yes) {
TQStringList couldNotDelete;
for(TQStringList::ConstIterator it = files.begin(); it != files.end(); ++it) {
if(!TQFile::remove(*it))
couldNotDelete.append(*it);
}
if(!couldNotDelete.isEmpty())
KMessageBox::errorList(this, i18n("Could not delete these files."), couldNotDelete);
}
else if(remove == KMessageBox::Cancel)
return;
}
else if(items.count() > 1 || items.front()->playlist() != upcomingPlaylist()) {
if(KMessageBox::warningContinueCancelList(this,
i18n("Are you sure you want to remove these "
"playlists from your collection?"),
names,
i18n("Remove Items?"),
KGuiItem(i18n("&Remove"), "edittrash")) == KMessageBox::Cancel)
{
return;
}
}
PlaylistList removeQueue;
for(ItemList::ConstIterator it = items.begin(); it != items.end(); ++it) {
if(*it != Item::collectionItem() &&
(*it)->playlist() &&
(!(*it)->playlist()->readOnly()))
{
removeQueue.append((*it)->playlist());
}
}
if(items.back()->nextSibling() && static_cast<Item *>(items.back()->nextSibling())->playlist())
setSingleItem(items.back()->nextSibling());
else {
Item *i = static_cast<Item *>(items.front()->itemAbove());
while(i && !i->playlist())
i = static_cast<Item *>(i->itemAbove());
if(!i)
i = Item::collectionItem();
setSingleItem(i);
}
for(PlaylistList::ConstIterator it = removeQueue.begin(); it != removeQueue.end(); ++it) {
if(*it != upcomingPlaylist())
delete *it;
else {
action<KToggleAction>("showUpcoming")->setChecked(false);
setUpcomingPlaylistEnabled(false);
}
}
}
void PlaylistBox::setDynamicListsFrozen(bool frozen)
{
for(TQValueList<ViewMode *>::Iterator it = m_viewModes.begin();
it != m_viewModes.end();
++it)
{
(*it)->setDynamicListsFrozen(frozen);
}
}
void PlaylistBox::slotSavePlaylists()
{
kdDebug(65432) << "Auto-saving playlists and covers.\n";
PlaylistList l;
CollectionList *collection = CollectionList::instance();
for(TQListViewItem *i = firstChild(); i; i = i->nextSibling()) {
Item *item = static_cast<Item *>(i);
if(item->playlist() && item->playlist() != collection)
l.append(item->playlist());
}
Cache::savePlaylists(l);
CoverManager::saveCovers();
TQTimer::singleShot(600000, this, TQT_SLOT(slotSavePlaylists()));
}
void PlaylistBox::slotShowDropTarget()
{
if(!m_dropItem) {
kdError(65432) << "Trying to show the playlist of a null item!\n";
return;
}
raise(m_dropItem->playlist());
}
void PlaylistBox::slotAddItem(const TQString &tag, unsigned column)
{
for(TQValueListIterator<ViewMode *> it = m_viewModes.begin(); it != m_viewModes.end(); ++it)
(*it)->addItems(tag, column);
}
void PlaylistBox::slotRemoveItem(const TQString &tag, unsigned column)
{
for(TQValueListIterator<ViewMode *> it = m_viewModes.begin(); it != m_viewModes.end(); ++it)
(*it)->removeItem(tag, column);
}
void PlaylistBox::decode(TQMimeSource *s, Item *item)
{
if(!s || (item && item->playlist() && item->playlist()->readOnly()))
return;
KURL::List urls;
if(KURLDrag::decode(s, urls) && !urls.isEmpty()) {
TQStringList files;
for(KURL::List::Iterator it = urls.begin(); it != urls.end(); ++it)
files.append((*it).path());
if(item) {
TreeViewItemPlaylist *playlistItem;
playlistItem = dynamic_cast<TreeViewItemPlaylist *>(item->playlist());
if(playlistItem) {
playlistItem->retag(files, currentPlaylist());
TagTransactionManager::instance()->commit();
currentPlaylist()->update();
return;
}
}
if(item && item->playlist())
item->playlist()->addFiles(files);
else {
TQString name = playlistNameDialog();
if(!name.isNull()) {
Playlist *p = new Playlist(this, name);
p->addFiles(files);
}
}
}
}
void PlaylistBox::contentsDropEvent(TQDropEvent *e)
{
m_showTimer->stop();
Item *i = static_cast<Item *>(itemAt(contentsToViewport(e->pos())));
decode(e, i);
if(m_dropItem) {
Item *old = m_dropItem;
m_dropItem = 0;
old->tqrepaint();
}
}
void PlaylistBox::contentsDragMoveEvent(TQDragMoveEvent *e)
{
// If we can decode the input source, there is a non-null item at the "move"
// position, the playlist for that Item is non-null, is not the
// selected playlist and is not the CollectionList, then accept the event.
//
// Otherwise, do not accept the event.
if(!KURLDrag::canDecode(e)) {
e->accept(false);
return;
}
Item *target = static_cast<Item *>(itemAt(contentsToViewport(e->pos())));
if(target) {
if(target->playlist() && target->playlist()->readOnly())
return;
// This is a semi-dirty hack to check if the items are coming from within
// JuK. If they are not coming from a Playlist (or subclass) then the
// dynamic_cast will fail and we can safely assume that the item is
// coming from outside of JuK.
if(dynamic_cast<Playlist *>(e->source())) {
if(target->playlist() &&
target->playlist() != CollectionList::instance() &&
!target->isSelected())
{
e->accept(true);
}
else
e->accept(false);
}
else // the dropped items are coming from outside of JuK
e->accept(true);
if(m_dropItem != target) {
Item *old = m_dropItem;
m_showTimer->stop();
if(e->isAccepted()) {
m_dropItem = target;
target->tqrepaint();
m_showTimer->start(1500, true);
}
else
m_dropItem = 0;
if(old)
old->tqrepaint();
}
}
else {
// We're dragging over the whitespace. We'll use this case to make it
// possible to create new lists.
e->accept(true);
}
}
void PlaylistBox::contentsDragLeaveEvent(TQDragLeaveEvent *e)
{
if(m_dropItem) {
Item *old = m_dropItem;
m_dropItem = 0;
old->tqrepaint();
}
KListView::contentsDragLeaveEvent(e);
}
void PlaylistBox::contentsMousePressEvent(TQMouseEvent *e)
{
if(e->button() == Qt::LeftButton)
m_doingMultiSelect = true;
KListView::contentsMousePressEvent(e);
}
void PlaylistBox::contentsMouseReleaseEvent(TQMouseEvent *e)
{
if(e->button() == Qt::LeftButton) {
m_doingMultiSelect = false;
slotPlaylistChanged();
}
KListView::contentsMouseReleaseEvent(e);
}
void PlaylistBox::keyPressEvent(TQKeyEvent *e)
{
if((e->key() == Key_Up || e->key() == Key_Down) && e->state() == ShiftButton)
m_doingMultiSelect = true;
KListView::keyPressEvent(e);
}
void PlaylistBox::keyReleaseEvent(TQKeyEvent *e)
{
if(m_doingMultiSelect && e->key() == Key_Shift) {
m_doingMultiSelect = false;
slotPlaylistChanged();
}
KListView::keyReleaseEvent(e);
}
PlaylistBox::ItemList PlaylistBox::selectedItems() const
{
ItemList l;
for(TQListViewItemIterator it(const_cast<PlaylistBox *>(this),
TQListViewItemIterator::Selected); it.current(); ++it)
l.append(static_cast<Item *>(*it));
return l;
}
void PlaylistBox::setSingleItem(TQListViewItem *item)
{
setSelectionModeExt(Single);
KListView::setCurrentItem(item);
setSelectionModeExt(Extended);
}
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox private slots
////////////////////////////////////////////////////////////////////////////////
void PlaylistBox::slotPlaylistChanged()
{
// Don't update while the mouse is pressed down.
if(m_doingMultiSelect)
return;
ItemList items = selectedItems();
m_hasSelection = !items.isEmpty();
bool allowReload = false;
PlaylistList playlists;
for(ItemList::ConstIterator it = items.begin(); it != items.end(); ++it) {
Playlist *p = (*it)->playlist();
if(p) {
if(p->canReload())
allowReload = true;
playlists.append(p);
}
}
bool singlePlaylist = playlists.count() == 1;
if(playlists.isEmpty() ||
(singlePlaylist &&
(playlists.front() == CollectionList::instance() ||
playlists.front()->readOnly())))
{
action("file_save")->setEnabled(false);
action("file_save_as")->setEnabled(false);
action("renamePlaylist")->setEnabled(false);
action("deleteItemPlaylist")->setEnabled(false);
}
else {
action("file_save")->setEnabled(true);
action("file_save_as")->setEnabled(true);
action("renamePlaylist")->setEnabled(playlists.count() == 1);
action("deleteItemPlaylist")->setEnabled(true);
}
action("reloadPlaylist")->setEnabled(allowReload);
action("duplicatePlaylist")->setEnabled(!playlists.isEmpty());
if(m_k3bAction)
m_k3bAction->setEnabled(!playlists.isEmpty());
action("editSearch")->setEnabled(singlePlaylist &&
playlists.front()->searchIsEditable());
if(singlePlaylist) {
PlaylistCollection::raise(playlists.front());
if(playlists.front() == upcomingPlaylist())
action("deleteItemPlaylist")->setText(i18n("Hid&e"));
else
action("deleteItemPlaylist")->setText(i18n("R&emove"));
}
else if(!playlists.isEmpty())
createDynamicPlaylist(playlists);
}
void PlaylistBox::slotDoubleClicked()
{
action("stop")->activate();
action("play")->activate();
}
void PlaylistBox::slotShowContextMenu(TQListViewItem *, const TQPoint &point, int)
{
m_contextMenu->popup(point);
}
void PlaylistBox::slotPlaylistItemsDropped(Playlist *p)
{
raise(p);
}
void PlaylistBox::slotSetViewMode(int index)
{
if(index == m_viewModeIndex)
return;
viewMode()->setShown(false);
m_viewModeIndex = index;
viewMode()->setShown(true);
}
void PlaylistBox::setupItem(Item *item)
{
m_playlistDict.insert(item->playlist(), item);
viewMode()->queueRefresh();
}
void PlaylistBox::setupUpcomingPlaylist()
{
KConfigGroup config(KGlobal::config(), "Playlists");
bool enable = config.readBoolEntry("showUpcoming", false);
setUpcomingPlaylistEnabled(enable);
action<KToggleAction>("showUpcoming")->setChecked(enable);
}
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox::Item protected methods
////////////////////////////////////////////////////////////////////////////////
PlaylistBox::Item *PlaylistBox::Item::m_collectionItem = 0;
PlaylistBox::Item::Item(PlaylistBox *listBox, const TQString &icon, const TQString &text, Playlist *l)
: TQObject(listBox), KListViewItem(listBox, 0, text),
m_playlist(l), m_text(text), m_iconName(icon), m_sortedFirst(false)
{
init();
}
PlaylistBox::Item::Item(Item *tqparent, const TQString &icon, const TQString &text, Playlist *l)
: TQObject(tqparent->listView()), KListViewItem(tqparent, text),
m_playlist(l), m_text(text), m_iconName(icon), m_sortedFirst(false)
{
init();
}
PlaylistBox::Item::~Item()
{
}
int PlaylistBox::Item::compare(TQListViewItem *i, int col, bool) const
{
Item *otherItem = static_cast<Item *>(i);
PlaylistBox *playlistBox = static_cast<PlaylistBox *>(listView());
if(m_playlist == playlistBox->upcomingPlaylist() && otherItem->m_playlist != CollectionList::instance())
return -1;
if(otherItem->m_playlist == playlistBox->upcomingPlaylist() && m_playlist != CollectionList::instance())
return 1;
if(m_sortedFirst && !otherItem->m_sortedFirst)
return -1;
else if(otherItem->m_sortedFirst && !m_sortedFirst)
return 1;
return text(col).lower().localeAwareCompare(i->text(col).lower());
}
void PlaylistBox::Item::paintCell(TQPainter *painter, const TQColorGroup &tqcolorGroup, int column, int width, int align)
{
PlaylistBox *playlistBox = static_cast<PlaylistBox *>(listView());
playlistBox->viewMode()->paintCell(this, painter, tqcolorGroup, column, width, align);
}
void PlaylistBox::Item::setText(int column, const TQString &text)
{
m_text = text;
KListViewItem::setText(column, text);
}
void PlaylistBox::Item::setup()
{
listView()->viewMode()->setupItem(this);
}
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox::Item protected slots
////////////////////////////////////////////////////////////////////////////////
void PlaylistBox::Item::slotSetName(const TQString &name)
{
if(listView()) {
setText(0, name);
setSelected(true);
listView()->sort();
listView()->ensureItemVisible(listView()->currentItem());
listView()->viewMode()->queueRefresh();
}
}
////////////////////////////////////////////////////////////////////////////////
// PlaylistBox::Item private methods
////////////////////////////////////////////////////////////////////////////////
void PlaylistBox::Item::init()
{
PlaylistBox *list = listView();
list->setupItem(this);
int iconSize = list->viewModeIndex() == 0 ? 32 : 16;
setPixmap(0, SmallIcon(m_iconName, iconSize));
list->addNameToDict(m_text);
if(m_playlist) {
connect(m_playlist, TQT_SIGNAL(signalNameChanged(const TQString &)),
this, TQT_SLOT(slotSetName(const TQString &)));
connect(m_playlist, TQT_SIGNAL(destroyed()), this, TQT_SLOT(deleteLater()));
connect(m_playlist, TQT_SIGNAL(signalEnableDirWatch(bool)),
list->object(), TQT_SLOT(slotEnableDirWatch(bool)));
}
if(m_playlist == CollectionList::instance()) {
m_sortedFirst = true;
m_collectionItem = this;
list->viewMode()->setupDynamicPlaylists();
}
if(m_playlist == list->historyPlaylist() || m_playlist == list->upcomingPlaylist())
m_sortedFirst = true;
}
#include "playlistbox.moc"